Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE, a sidelink communication via a sidelink channel between the first UE and the second UE. The UE may transmit, to the second UE and based at least in part on the sidelink communication, a physical sidelink feedback channel (PSFCH) with a quantity of repetitions. Numerous other aspects are described.